John Deaton
MAWhat the Signal reads
Safe D
Deaton is the Republican challenger for a seat the Signal rates Safe D. The market has Deaton at 2.5¢ against Markey's 98.4¢, down 1.1¢ since July 31. The polling average has Markey ahead by 23.3 points, and Markey leads 3.4 to 1 in money raised.
The market
Deaton · Republican contract
2.5¢
▼ 1.1¢since July 31
This contract settles on whether a Republican holds the seat, not on John Deaton by name.
37,209 traded · 34,007 open. Prices are the yes ask; sides may not sum to 100.Checked 2:09 PM ET
Deaton v Markey
Metric by metricThe 2026 race
Massachusetts U.S. SenatePolling average
D+23.3
Average of 3 pollsters, August 12 to September 22.
Prior result
D+33.1
2020 general election, won by Edward J. Markey.
Fundraising
3.4 to 1
Raised 2025 to 2026, through August 12.